The Hypopterygiaceae are a family of mainly tropical mosses of the order Hypopterygiales, a sister-group to the Hookeriales and Hypnales.
It contains eight genera.
Arbusculohypopterygium Stech, T. Pfeiffer & W. Frey
Canalohypopterygium W. Frey & Schaepe
Catharomnion Hook.f. & Wilson
Cyathophorum P. Beauv.
Dendrocyathophorum Dixon
Dendrohypopterygium Kruijer
Hypopterygium Brid.
Lopidium Hook.f. & Wilson
